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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-629.533541
Energy at 298.15K-629.540772
HF Energy-629.533541
Nuclear repulsion energy287.029464
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3799 3667 43.62      
2 A 3166 3056 14.23      
3 A 3087 2980 6.99      
4 A 3067 2961 12.64      
5 A 3050 2944 32.19      
6 A 3037 2932 44.45      
7 A 1729 1669 99.95      
8 A 1503 1451 2.10      
9 A 1493 1442 4.00      
10 A 1415 1366 3.30      
11 A 1283 1239 5.33      
12 A 1273 1229 44.50      
13 A 1222 1180 3.28      
14 A 1161 1121 214.54      
15 A 1147 1107 0.05      
16 A 1130 1091 7.49      
17 A 1019 984 14.07      
18 A 968 934 0.24      
19 A 899 868 0.34      
20 A 889 859 0.16      
21 A 777 750 47.06      
22 A 767 740 12.77      
23 A 711 686 1.74      
24 A 599 579 0.33      
25 A 477 460 0.44      
26 A 476 459 0.68      
27 A 389 376 104.74      
28 A 383 370 12.17      
29 A 232 224 5.15      
30 A 87 84 3.00      

Unscaled Zero Point Vibrational Energy (zpe) 20616.2 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19902.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/TZVP
ABC
0.19957 0.07860 0.05761

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.557 -0.508 -0.044
C2 0.147 -1.182 0.065
C3 1.057 0.008 0.001
C4 0.485 1.215 -0.009
C5 -1.013 1.252 0.043
O6 2.388 -0.278 -0.026
H7 0.297 -1.732 0.999
H8 1.056 2.138 -0.041
H9 -1.441 1.806 -0.796
H10 0.338 -1.870 -0.762
H11 -1.375 1.715 0.966
H12 2.886 0.547 -0.062

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.83582.66552.67211.84373.95182.45433.71872.43612.44192.44854.5663
C21.83581.50032.42202.69632.41841.09393.44433.49201.09263.39473.2415
C32.66551.50031.33562.41581.36122.14552.13043.17962.15113.12491.9069
C42.67212.42201.33561.49982.41873.12021.08592.16293.17882.15952.4923
C51.84372.69632.41581.49983.73013.39592.25251.09283.49561.09443.9635
O63.95182.41841.36122.41873.73012.74522.75944.42702.69774.37280.9642
H72.45431.09392.14553.12023.39592.74524.07864.33141.76673.83163.6082
H83.71873.44432.13041.08592.25252.75944.07862.62924.13542.66512.4253
H92.43613.49203.17962.16291.09284.42704.33142.62924.08441.76524.5656
H102.44191.09262.15113.17883.49562.69771.76674.13544.08444.33313.5808
H112.44853.39473.12492.15951.09444.37283.83162.66511.76524.33314.5364
H124.56633.24151.90692.49233.96350.96423.60822.42534.56563.58084.5364

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.628 S1 C2 H7 111.271
S1 C2 H10 110.410 S1 C5 C4 105.644
S1 C5 H9 109.439 S1 C5 H11 110.270
C2 S1 C5 94.242 C2 C3 C4 117.198
C2 C3 O6 115.291 C3 C2 H7 110.615
C3 C2 H10 111.145 C3 C4 C5 116.750
C3 C4 H8 122.910 C3 O6 H12 108.979
C4 C3 O6 127.507 C4 C5 H9 112.122
C4 C5 H11 111.749 C5 C4 H8 120.336
H7 C2 H10 107.808 H9 C5 H11 107.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.029      
2 C -0.270      
3 C 0.025      
4 C -0.162      
5 C -0.286      
6 O -0.290      
7 H 0.156      
8 H 0.132      
9 H 0.145      
10 H 0.156      
11 H 0.145      
12 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.743 1.875 -0.002 2.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.455 -1.871 0.007
y -1.871 -39.440 -0.001
z 0.007 -0.001 -45.377
Traceless
 xyz
x -1.046 -1.871 0.007
y -1.871 4.976 -0.001
z 0.007 -0.001 -3.929
Polar
3z2-r2-7.859
x2-y2-4.015
xy-1.871
xz0.007
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.983 0.660 0.000
y 0.660 11.140 -0.000
z 0.000 -0.000 6.542


<r2> (average value of r2) Å2
<r2> 191.793
(<r2>)1/2 13.849